patches/binutils/2.15/600-arm-textrel.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Feb 17 22:12:59 2008 +0000 (2008-02-17)
changeset 433 9886aa0a9694
permissions -rw-r--r--
Robert P. J. DAY says:

According to Mike Frysinger, this patch was removed from Gentoo in the
2.3.x series and didn't seem to cause any adverse effects. So toss it
from the patch directories for glibc 2.5 and up.
     1 http://sources.redhat.com/ml/binutils/2004-06/msg00010.html
     2 --- binutils-2.15.90.0.3-old/bfd/elf32-arm.h	2004-04-12 14:56:33.000000000 -0500
     3 +++ binutils-2.15.90.0.3/bfd/elf32-arm.h	2004-09-03 06:56:40.000000000 -0500
     4 @@ -87,6 +87,8 @@
     5  #endif
     6  static bfd_boolean allocate_dynrelocs 
     7    PARAMS ((struct elf_link_hash_entry *h, PTR inf));
     8 +static bfd_boolean elf32_arm_readonly_dynrelocs
     9 +  PARAMS ((struct elf_link_hash_entry *, PTR));
    10  static bfd_boolean create_got_section 
    11    PARAMS ((bfd * dynobj, struct bfd_link_info * info));
    12  static bfd_boolean elf32_arm_create_dynamic_sections 
    13 @@ -3531,6 +3533,37 @@
    14    return TRUE;
    15  }
    16  
    17 +/* Find any dynamic relocs that apply to read-only sections.  */
    18 +
    19 +static bfd_boolean
    20 +elf32_arm_readonly_dynrelocs (h, inf)
    21 +     struct elf_link_hash_entry *h;
    22 +     PTR inf;
    23 +{
    24 +  struct elf32_arm_link_hash_entry *eh;
    25 +  struct elf32_arm_relocs_copied *p;
    26 +
    27 +  if (h->root.type == bfd_link_hash_warning)
    28 +    h = (struct elf_link_hash_entry *) h->root.u.i.link;
    29 +
    30 +  eh = (struct elf32_arm_link_hash_entry *) h;
    31 +  for (p = eh->relocs_copied; p != NULL; p = p->next)
    32 +    {
    33 +      asection *s = p->section;
    34 +
    35 +      if (s != NULL && (s->flags & SEC_READONLY) != 0)
    36 +       {
    37 +         struct bfd_link_info *info = (struct bfd_link_info *) inf;
    38 +
    39 +         info->flags |= DF_TEXTREL;
    40 +
    41 +         /* Not an error, just cut short the traversal.  */
    42 +         return FALSE;
    43 +       }
    44 +    }
    45 +  return TRUE;
    46 +}
    47 +
    48  /* Set the sizes of the dynamic sections.  */
    49  
    50  static bfd_boolean
    51 @@ -3740,6 +3773,12 @@
    52  	    return FALSE;
    53  	}
    54  
    55 +      /* If any dynamic relocs apply to a read-only section,
    56 +         then we need a DT_TEXTREL entry.  */
    57 +      if ((info->flags & DF_TEXTREL) == 0)
    58 +        elf_link_hash_traverse (&htab->root, elf32_arm_readonly_dynrelocs,
    59 +                                (PTR) info);
    60 +
    61        if ((info->flags & DF_TEXTREL) != 0)
    62  	{
    63  	  if (!add_dynamic_entry (DT_TEXTREL, 0))